#include<iostream>
using namespace std;

template <class T>
T sum(T x,T y) {
    return x + y;
}

template <typename T>

T* composite(T * x,T *y) {
    static T str[100];
    strcpy(str,x);
    return str;
}

int main() {
    cout << composite("abc","ABC") << endl; 
    return 0;
}
